LU75900A1 - - Google Patents
Info
- Publication number
- LU75900A1 LU75900A1 LU75900A LU75900A LU75900A1 LU 75900 A1 LU75900 A1 LU 75900A1 LU 75900 A LU75900 A LU 75900A LU 75900 A LU75900 A LU 75900A LU 75900 A1 LU75900 A1 LU 75900A1
- Authority
- LU
- Luxembourg
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/24—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid
- G01F23/241—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid for discrete levels
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7287—Liquid level responsive or maintaining systems
- Y10T137/7306—Electrical characteristic sensing
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/618,857 US4027172A (en) | 1975-10-02 | 1975-10-02 | Resistive fluid detecting means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU75900A1 true LU75900A1 (en) | 1977-05-11 |
Family
ID=24479412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU75900A LU75900A1 (en) | 1975-10-02 | 1976-09-28 |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US4027172A (en) |
| JP (1) | JPS6035613B2 (en) |
| AR (1) | AR207713A1 (en) |
| AU (1) | AU496932B2 (en) |
| BE (1) | BE846711A (en) |
| BR (1) | BR7605396A (en) |
| CA (1) | CA1072655A (en) |
| CH (1) | CH608885A5 (en) |
| DE (1) | DE2643522C2 (en) |
| DK (1) | DK154362C (en) |
| ES (1) | ES451894A1 (en) |
| FR (1) | FR2336668A1 (en) |
| GB (1) | GB1549649A (en) |
| IT (1) | IT1073420B (en) |
| LU (1) | LU75900A1 (en) |
| MX (1) | MX143436A (en) |
| NL (1) | NL185366C (en) |
| SE (1) | SE415802B (en) |
Families Citing this family (44)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4139762A (en) * | 1977-02-22 | 1979-02-13 | Pohrer Harry H | Humidifier |
| US4224606A (en) * | 1979-03-21 | 1980-09-23 | Honeywell Inc. | Fluid level detector test switch |
| US4382382A (en) * | 1979-11-01 | 1983-05-10 | General Electric Company | Multilevel liquid sensing system |
| US4259982A (en) * | 1979-11-19 | 1981-04-07 | Honeywell Inc. | Resistive fluid detecting means |
| US4356406A (en) * | 1981-02-17 | 1982-10-26 | Honeywell Inc. | Conductive fluid probe powering means |
| US4390793A (en) * | 1981-02-23 | 1983-06-28 | International Telephone And Telegraph Corporation | Electronic liquid level control apparatus |
| US4360738A (en) * | 1981-05-04 | 1982-11-23 | Honeywell Inc. | Single probe low water control |
| DE3212434C3 (en) * | 1982-04-02 | 1991-01-03 | Endress Hauser Gmbh Co | LEVEL LIMIT SWITCH FOR ELECTRICALLY CONDUCTIVE FUEL GOODS |
| AU571446B2 (en) * | 1982-08-25 | 1988-04-21 | Venture Measurement Company Llc | Self calibrating capacitance level sensor |
| JPS60111118A (en) * | 1983-11-21 | 1985-06-17 | Ngk Spark Plug Co Ltd | Ultrasonic liquid level sensor |
| GB8412461D0 (en) * | 1984-05-16 | 1984-06-20 | Schlumberger Electronics Uk | Fluid level measurement system |
| US4638291A (en) * | 1984-06-13 | 1987-01-20 | Ford Motor Company | Sensor assembly for a radiator mounted coolant level monitoring system |
| AU568766B2 (en) * | 1984-08-16 | 1988-01-07 | Noack, Raymond James | Monitoring apparatus |
| JPS61207564A (en) * | 1985-03-12 | 1986-09-13 | Chugai Ro Kogyo Kaisha Ltd | Galvannealing device |
| USRE34337E (en) | 1985-06-11 | 1993-08-10 | Imi Cornelius Inc. | Beverage dispenser with automatic cup-filling control and method for beverage dispensing |
| US4641692A (en) * | 1985-06-11 | 1987-02-10 | Alco Foodservice Equipment Company | Beverage dispenser with automatic cup-filling control |
| GB2198535B (en) * | 1986-11-01 | 1991-06-05 | Parke Davis & Co Ltd | Apparatus and method for determining the amount of substance in a vessel |
| GB8818712D0 (en) * | 1988-08-05 | 1988-09-07 | Shell Int Research | Probe |
| US4879902A (en) * | 1988-08-12 | 1989-11-14 | Dri Steem Humidifier Co. | Level control structure with probes |
| JPH03104849A (en) * | 1989-09-19 | 1991-05-01 | Kawasaki Steel Corp | Alloying furnace for hot dip metal plating |
| JPH0339697Y2 (en) * | 1990-02-13 | 1991-08-21 | ||
| US5220514A (en) * | 1990-04-11 | 1993-06-15 | Itt Corporation | Method & apparatus for liquid level conductance probe control unit with increased sensitivity |
| US5111691A (en) * | 1990-12-20 | 1992-05-12 | Itt Corporation | Conductance/thermal limit control apparatus and method |
| GB2263168A (en) * | 1991-10-23 | 1993-07-14 | L J K Fleet Contracts Limited | Liquid level indicator |
| JPH09145451A (en) * | 1995-11-16 | 1997-06-06 | Brother Ind Ltd | Residual quantity detecting device |
| SE517792C2 (en) * | 1997-12-03 | 2002-07-16 | Abs Pump Prod Ab | Device for conductivity meters |
| US6390027B1 (en) | 2000-05-31 | 2002-05-21 | C. Cowles & Company | Cycle control system for boiler and associated burner |
| US6904800B2 (en) * | 2001-05-24 | 2005-06-14 | Potter Electric Signal Company | Low-water cut-off system |
| US7243540B2 (en) * | 2001-05-24 | 2007-07-17 | Potter Electric Signal Company | Low-water cut-off system |
| US6571625B2 (en) * | 2001-06-06 | 2003-06-03 | Itt Fluid Technology | Fluid level sensor |
| US6688329B2 (en) * | 2001-07-06 | 2004-02-10 | C. Cowles & Company | Water feeder controller for boiler |
| DE10215818A1 (en) * | 2002-04-10 | 2003-10-30 | Endress & Hauser Wetzer Gmbh | Device for recognizing a predetermined fill level of a medium in a container |
| US6938476B2 (en) * | 2003-06-25 | 2005-09-06 | Agilent Technologies, Inc. | Apparatus and methods for sensing fluid levels |
| DE102005025576A1 (en) * | 2005-06-03 | 2006-12-07 | Gestra Ag | Capacitive level probe |
| US7317993B2 (en) * | 2006-03-15 | 2008-01-08 | Potter Electric Signal Company | Fluid detector recognizing foam and surge conditions |
| US7907059B1 (en) * | 2006-08-04 | 2011-03-15 | James Guy | Sewage pipe alarm system and associated method |
| FR2919719B1 (en) * | 2007-08-01 | 2009-10-23 | Atlantic Ind Soc Par Actions S | "DEVICE FOR DETERMINING A QUANTITY OF HOT WATER REMAINING" |
| US8410948B2 (en) * | 2008-05-12 | 2013-04-02 | John Vander Horst | Recreational vehicle holding tank sensor probe |
| US8757509B2 (en) * | 2009-03-27 | 2014-06-24 | Honeywell International Inc. | Boiler control methods |
| DE102011004807A1 (en) | 2011-02-28 | 2012-08-30 | Endress + Hauser Gmbh + Co. Kg | probe unit |
| DE102011051201B4 (en) * | 2011-06-20 | 2015-07-09 | Beko Technologies Gmbh | Steam traps for compressed gas systems |
| US20150129053A1 (en) * | 2013-11-12 | 2015-05-14 | Po-Hui CHEN | Automatic Drainage Device With A Level Controller |
| FR3043198B1 (en) * | 2015-11-04 | 2017-12-22 | Dover Europe Sarl | DEVICE FOR MEASURING LEVEL IN A RESERVOIR |
| US11428407B2 (en) | 2018-09-26 | 2022-08-30 | Cowles Operating Company | Combustion air proving apparatus with burner cut-off capability and method of performing the same |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1398270A (en) * | 1918-09-16 | 1921-11-29 | Walter D Nickum | Electrode for electrical water-level-indicating apparatus and other electrical apparatus |
| US2073268A (en) * | 1936-05-20 | 1937-03-09 | Gen Controls Company | Low water cut-out |
| US2487933A (en) * | 1945-07-30 | 1949-11-15 | William O Martin Inc | Boiler high and low water control and alarm system |
| US3119266A (en) * | 1960-11-10 | 1964-01-28 | Duane E Atkinson | Level indicating system, method and probe |
| US3119265A (en) * | 1961-08-02 | 1964-01-28 | Phillips Petroleum Co | Method and apparatus for measuring a column of oil |
| FR1321765A (en) * | 1962-04-27 | 1963-03-22 | Standard Kessel Ges Gebrueder | Control unit for water shortage safety device or for water level control device in drum-shaped boilers, with control electrodes |
| DE1264812B (en) * | 1963-12-05 | 1968-03-28 | Siemens Ag | Circuit arrangement for the identification of a liquid level in a container |
| DE1275777B (en) * | 1965-05-11 | 1968-08-22 | Buna Chem Werke Veb | Measuring method, especially for level measurement |
| US3339411A (en) * | 1965-06-23 | 1967-09-05 | Bedford Controls Inc | Electrode probe assembly |
| US3605798A (en) * | 1970-04-02 | 1971-09-20 | Carl P Green | Water level controls for steam tables and the like |
| BE790292A (en) * | 1971-10-23 | 1973-02-15 | Licentia Gmbh | LEVEL ADJUSTMENT DEVICE FOR LAUNDRY OR DISHWASHING MACHINES |
-
1975
- 1975-10-02 US US05/618,857 patent/US4027172A/en not_active Expired - Lifetime
-
1976
- 1976-01-01 AR AR264391A patent/AR207713A1/en active
- 1976-06-09 CA CA254,488A patent/CA1072655A/en not_active Expired
- 1976-08-05 MX MX165798A patent/MX143436A/en unknown
- 1976-08-18 BR BR7605396A patent/BR7605396A/en unknown
- 1976-09-07 AU AU17519/76A patent/AU496932B2/en not_active Expired
- 1976-09-10 SE SE7610035A patent/SE415802B/en not_active IP Right Cessation
- 1976-09-21 GB GB38968/76A patent/GB1549649A/en not_active Expired
- 1976-09-27 ES ES451894A patent/ES451894A1/en not_active Expired
- 1976-09-27 CH CH7612202A patent/CH608885A5/xx not_active IP Right Cessation
- 1976-09-27 IT IT51462/76A patent/IT1073420B/en active
- 1976-09-28 LU LU75900A patent/LU75900A1/xx unknown
- 1976-09-28 DE DE2643522A patent/DE2643522C2/en not_active Expired
- 1976-09-29 BE BE171047A patent/BE846711A/en not_active IP Right Cessation
- 1976-09-29 FR FR7629238A patent/FR2336668A1/en active Granted
- 1976-09-30 NL NLAANVRAGE7610846,A patent/NL185366C/en not_active IP Right Cessation
- 1976-10-01 JP JP51117341A patent/JPS6035613B2/en not_active Expired
- 1976-10-04 DK DK446676A patent/DK154362C/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2336668A1 (en) | 1977-07-22 |
| ES451894A1 (en) | 1977-12-16 |
| DK154362C (en) | 1989-04-17 |
| CH608885A5 (en) | 1979-01-31 |
| FR2336668B1 (en) | 1982-04-09 |
| NL185366C (en) | 1990-03-16 |
| DK154362B (en) | 1988-11-07 |
| SE415802B (en) | 1980-10-27 |
| NL7610846A (en) | 1977-04-05 |
| IT1073420B (en) | 1985-04-17 |
| GB1549649A (en) | 1979-08-08 |
| BR7605396A (en) | 1977-08-16 |
| SE7610035L (en) | 1977-04-03 |
| JPS5243456A (en) | 1977-04-05 |
| MX143436A (en) | 1981-05-12 |
| BE846711A (en) | 1977-01-17 |
| JPS6035613B2 (en) | 1985-08-15 |
| AU496932B2 (en) | 1978-11-09 |
| AR207713A1 (en) | 1976-10-22 |
| DK446676A (en) | 1977-04-03 |
| DE2643522A1 (en) | 1977-04-14 |
| AU1751976A (en) | 1978-03-16 |
| CA1072655A (en) | 1980-02-26 |
| NL185366B (en) | 1989-10-16 |
| DE2643522C2 (en) | 1986-07-31 |
| US4027172A (en) | 1977-05-31 |